If 1+2=7; 3+4=31;5+6=71; 7+8=127 then 9+10=?
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9
1st- 1+2=7
how? .
ans (1×2) ×2 +(1+2)=7
(3×4) ×2 +(3+4)=31
and so on..........
so (9×10) ×2 +(9+10)=199
plz mark it d best ..
how? .
ans (1×2) ×2 +(1+2)=7
(3×4) ×2 +(3+4)=31
and so on..........
so (9×10) ×2 +(9+10)=199
plz mark it d best ..
Anonymous:
199
Answered by
1
ANSWER IS 199.........................
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